Amazon is now allowing users who purchase the cheap, ad-supported version of the Kindle to buy out of the ads at a later date for $30, the same price it would cost to purchase a non ad-supported version.

If you purchased a subsidized Kindle 4 and the advertisements on the homescreen and screensaver are annoying you, you can now get rid of them my visiting the Manage You Devices page on Amazon and forking over $30.